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1220112101110 = 25717430172873
BaseRepresentation
bin10001110000010100010…
…110010010111011110110
311022122022201011201001011
4101300110112102323312
5124442242144213420
62332302312422434
7154102341512230
oct21602426227366
94278281151034
101220112101110
114304a0522361
121785710a7a1a
138b096282156
14430a7671250
1521b106eb95a
hex11c14592ef6

1220112101110 has 16 divisors (see below), whose sum is σ = 2509944893856. Its totient is φ = 418324148928.

The previous prime is 1220112101101. The next prime is 1220112101113. The reversal of 1220112101110 is 111012110221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220112101113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8715086367 + ... + 8715086506.

It is an arithmetic number, because the mean of its divisors is an integer number (156871555866).

Almost surely, 21220112101110 is an apocalyptic number.

1220112101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220112101110 is an abundant number, since it is smaller than the sum of its proper divisors (1289832792746).

1220112101110 is a wasteful number, since it uses less digits than its factorization.

1220112101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17430172887.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1220112101110 its reverse (111012110221), we get a palindrome (1331124211331).

The spelling of 1220112101110 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred one thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 17430172873 34860345746 87150864365 122011210111 174301728730 244022420222 610056050555 1220112101110